Question: Mucous membranes are pale pink and moist. Heart rate increases during inspiration and decreases during expiration. S1, S2, and S3 are heard upon auscultation. Abdomen is soft and nondistended. Bowel sounds are present. Noted genu valgum when child walks. Babinski reflex is negative. Parent reports moving to an older urban house, which is being renovated, about 6 months ago. Parent reports having difficulty getting the child to eat and states, "they are a picky eater." The parent expresses concern that the child seems less active recently and gets tired more quickly.